Views required for optimized bulk purges.
Fix for applications with version code 0
Fix #3: be more tolerant if BUILD field is missing.
Switch to "new RegExp" style regular expression instantiation for compatibility with older versions of SpiderMonkey.
Merge pull request #4 from josh1093/regexp_fix

Switch to "new RegExp" style regular expression for compatibility with older versions of Spidermonkey.
Added customizations.

- Redefined Signature.Digest to omit exception message
    (sometimes contains non-deterministic text)
- Broadened package name for signature characterization
    (lump together multiple published versions)
- Omit uninteresting reports from dashboard stats
    (hard-coded for now to omit debug builds and crash tests)
- Added view by signature
- Set minimum version for receiving reports
- Added git settings